Dr Nikolaos CHRISTODOULOU Orthopedic Surgeon MD PhD


  • Office Address: Iatriko Psychikou Clinic – Athens Medical Group: 1 Andersen Str., N. Psychiko, Athens, Greece-11525
  • Telephone Numbers: +30.210.6974250, +30.210.6974000, +30.6950.563656
  • Email: chnortho@yahoo.gr, n.christodoulou@iatriko.gr
  • WebSite: www.christodoulou-n.gr
  • Fax number: +30. 210-6974294

CURRENT POSITION: Chairman, Department of Orthopedic Surgery, Iatriko Psychikou Clinic – Athens Medical Group, 1 Antersen Str, Neo Psychiko. Athens, Greece-11525

SPECIALIZATION in Orthopedic Surgery: New ALMIS (Antero -Lateral Minimally Invasive Surgery) Hip Approach, personal modification with or without Navigation System (Navi Swiss), Modern Hip and Knee Arthroplasties, Perseus Mini Knee Navigation, Personalized 3D printing Knee Arthroplasty System, Partial Knee Replacement, Patello-femoral arthroplasty, Surgical Correction of Leg and Foot Deformities


  • Medicine Studies – University of Athens (Scholarship of National Greek Foundation IKY)
  • Courses of Internal Medicine, “Exchange Program of Students” – Frankfurt University, Germany (1972)
  • Assisted Researcher-Researche Cancer Center “G. Papanikolaou” / Prof. I. Garas (1972-73)
  • Biostatistics – Annual program, University of Athens, Pr. D. Trichopoulos (1973)
  • Medical School Diploma – University of Athens (1975)
  • Οrthopedic Specialty – Asklepeion Orthopedic Hospital of Hellenic Red Cross, Athens (1980)


Resident des Hopitaux des Paris (Scholarship of “COLLEGE DE MEDECINE DES HOPITAUX DE PARIS” – University Hospital A-PARE – Paris, France, Pr. J. Ramadier, J. Benoit, A.L.Jacob (1981-1982)

Ph.D., Thesis, Medical Scool-University of Athens (1985)


  • Consultant Orthopedic Surgeon, Asklepeion Orthopedic Hospital, Athens (1982-1985)
  • Consultant Orthopedic Surgeon, Orthopedic Department of Korinthos Hospital, Greece (1985-1989)
  • Chief Clinical Director, Orthopedic Department of Karpenissi Hospital, Greece (1989-2009)
  • Chief Clinical Director, Orthopedic Department of “White Cross” Hospital, Athens, Greece (2009-2011)
  • Chief Clinical Director, Orthopedic Department of “Iatriko Psychikou Clinic” – Athens Medical Group. Athens, Greece (2011 until this time and continues)
  • Clinical Innovations: Achievements include two patents for in field “External Fixators” (CH-N / CHristodoulou N, for Sub-Trochanteric Fractures and Tibial Osteotomies)


  1. The influence of intrinsic factors in the anatomical patern and location of fractures of the proximal femur • N.Christodoulou, Thesis-University of Athens-1985
  2. Ostèosynthèse des ostéotomies tibiales de valgisation par fixateur externe “goniometric” CH-N • N.Christodoulou, Th. Moussas, C. Karaindros, C. Poyatzis, C. Vretos Revue de Chirurgie Orthopédique, 82, 331-335,1996, http://www.em-consulte.com/article/139653, (France)
  3. Bilateral non-contemporary fractures of the proximal femur • E. Dretakis, N. Kritsikis, K. Economou, N. Christodoulou Acta Orthop. Scand. 1981, 52,227-229,
  4. Significance of endogenic factors in the location of fractures of the proximal femur . E. Dretakis, N. Christodoulou Acta Orthop. Scand. 1983, 54, 198-203, http://www.ncbi.nlm.nih.gov/pubmed/6845994, (Scandinavia)
  5. Significance of muscular disturbances in the Localization of fractures of the proximal femur • N. Christodoulou, E. Dretakis Clinical Orthopaedics Related Research,1984,187,198-203, http://www.ncbi.nlm.nih.gov/pubmed/6744720, (U.S.A. )
  6. External Fixation of Select Intertrochanteric Fractures Wirth Single Hip Screw. N. Christodoulou, Ch. Sdrenias Clinical Orthopaedics and Related Research, 2000,381,204-211, http://www.ncbi.nlm.nih.gov/pubmed/11127657, (U.S.A)
  7. External Fixation Device with Changeable Angle for Trochanteric Fractures N. Christodoulou European Patent-Int.Cl6 A61B17/64, http://www.freepatentsonline.com/EP0940124.html, Germany)
  8. Biomechanical Limits of External Fixation in Pertrochanteric Fractures • F.Giovetti, A.Dovesi, N.Christodoulou, Chr.Sdrenias, A.Perissinoto – 3rd Central European Orthopaedic Congress (EFORT), Portoroz,6/2000, (Slovenia)
  9. I mezzi di sintesi del femore prossimale e la simulazione del loro compartamento duramte il passo ed altre attvita quodidiane. Fissatore Externo CH-N • Pr A.Perissinoto, C.I.O.D. (Italiano Dell Osteosinthesi Dinamica), Vol. 7-Fasc.3,1999, (Italy)
  10. Fissazion esterna di fratture intertrochanteriche in pazienti ad alto rischio chirurgico, mediante vite femorale singola transcefalica • C. Sdrenias, N. Christodoulou, R. Tsiaknis, A. Mavrogenis, A. Sarakiotis Aggiorn Club Ital Osteosint, 9: 81-88, Springer-Verlag 2003, (Italy)
  11. Ostéosynthèse des fractures trochantériennes ou soustrochantériennes par fixateur externe dynamique Citieffe/CH-N, N. Christodoulou, Ch. Sdrenias, G. Salagiannis, A. Mavrogenis, E.D. Vayanos Revue de Chirurgie Orthopedique, 93, 264-268,2007 , http://www.ncbi.nlm.nih.gov/pubmed/17534209, (France)
  12. External fixation (Citieffe/Ch-N-Christodoulou N) of intertrochanteric fractures in elderly high-risk patients. •Kazakos K, Lyras DN, Verettas D, Galanis V, Psillakis I, Xarchas K Acta Orthop Belg. 73(1):44-8, 2007 http://pubget.com/paper/17441657(Belgium) (Eργασία στηριζόμενη στη μέθοδο, εξωτερική οστεοσύνθεση CH-N, Ν. Χριστοδούλου)
  13. Ankle arthrodesis using a tibio-calcaneal external fixator Christodoulou N, Mavrogenis A, Sdrenias Ch, Mitsiokapa E, Tsaknis R, Salagiannis G, Papagelopoulos P. European Journal of Orthopaedic Surgery & Traumatology, (2006) 16: 146-149, (U.K.)
  14. Improvement of proximal tibial osteotomy results by lateral retinacular release.Christodoulou NA, Tsaknis RN, Sdrenias CV, Galanis KG, Mavrogenis AF. Clinical Orthopaedics and Related Research, 441:340-5, 2005, http://www.ncbi.nlm.nih.gov/pubmed/16331024 (U.S.A.)
  15. Reinforced iliotibial tenodesis for chronic anterolateral instability of the knee: a 6-year follow-up. . Christodoulou NA., Sdrenias CV., Tsaknis RN, Mavrogenis AF, Tsigginou AM Orthopedics. 2005 May;28(5):472-8, http://www.ncbi.nlm.nih.gov/pubmed/15945604 (U.S.A.)
  16. High tibial osteotomies: indications and techniques Mavrogenis A, Papagelopoulos P., Mitsiokapa E., Sdrenias Cr., Christodoulou N Journal of Surgical Orthopaedic Advances, 2008 Winter;17(4):239-51(USA)
  17. Post-operative blood salvage and retransfusion in total hip and knee arthroplasty. Athanasoulias B., Mavrogenis A., Sdrenias CV., Mitsokapa E., Lourikas v., Papagelopoulos Pj., Christodoulou N. Journal of international medical research, 35, 268-275, 2007, http://www.ncbi.nlm.nih.gov/pubmed/17542414, (U.S.A.)
  18. Non anatomical positioning (High Hip Center) of Zweymuller cup in osteoarthritis secondary to congenital hip desease K. Dialetis, N. Christodoulou, Ch. Sdrenias, G. Salagiannis, Ag. Stavrianou, Th. Georgas. 8th EFORT Congress, Florence, May 2007.
  19. Patient with traumatic brain injury (T.B.I.), intrathecal baclofen pump (I.B.P.) and ankle contractures. A case report. K. Petropoulou, Y. Dionyssiotis, C. Rapidi, A. Galata, L. Lili, C. Sdrenias, R. Tsaknis, N. Christodoulou European Congress of Physical Medicine & Reabilitation Congress, Austria, Vienna, 2004 (Austria)
  20. Ten years experience in 632 resurfacing total knee arthroplasties Sdrenias C., Mavrogenis A., Tsaknis R., Galanis K., Christodoulou N. JBJS(B), 86-B, Supp. II, 191, 2004.
  21. The dynamic Citieffe/CH-N external fixation of trochanteric fractures. Christodoulou N, Sdrenias C. 4th Congress of european federation of National Associations of Orthopaedics and Traumatology. Brussels, June, 3-8, 1999, (Belgium)
  22. Ekectroencephalographic Study of Scoolchildren with Adolescent Idiopathic Scoliosis. Em. Dretakis, Ch. Paraskevaidis, V. Zarkadoulas, N. Christodoulou. Spine, Feb; 13(2), 143-145, 1988. (U.K)
  23. Non anatomical positioning (High Hip Center) of Zweymuller cup in osteoarthritis secontary to congenital hip disease K.Dialetis, N. Christodoulou, C. Sdrenias, G. Salagiannis, A, Stavrianou, T. Georgas, P. Psylakis Journal of Bone and Joint Surgery – British Volume, Vol 91-B, Issue SUPP_I, 52., 2009, (U.K.)
  24. «High Hip Center» Technique Using a Biconical Threaded Zweymuller Cup in Osteoarthritis Secondary to Congenital Hip Disease. Nikolaos A. Christodoulou MD, Konstantinos P. Dialetis MD, Athanasios N. Christodoulou MSc. Clinical Orthopaedics Related Research, 468;7: 1912-1919, 2010 (U.S.A.). http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2882016/?tool=pubmed
  25. Modified Less Invasive and Bloodless Lateral Hip Approach for Total Arthroplasty. N. Christodoulou, K. Dialetis et al. European Journal of Orthopaedic Surgery & Traumatology, 22, 167-174, 2012 (SPRINGER).
  26. Ortho-pEd-ics not «Ortho-pAEd- ics»: If it’s all Greek to you, let a Greek Explain it! Nikolaos Christodoulou. BAOJ Ortho 2: 013, 2017 (U.S.A.)https://bioaccent.org/orthopaedics/orthopaedics13.pdf
  27.  New Generation Titanium Biologically Fixed Threaded Implants in Jawbone and Hip Joint (Editorial). Nikolaos Christodoulou. MOJ Orthop Rheumatol 9(5): 00371, 2017 (U.S.A.)http://medcraveonline.com/MOJOR/MOJOR-09-00371.pdf
  28.  ALMIS Anterolateral Hip Approach Using a Different Table and Legs Position during Femoral Exposure; New Surgical Technique. N. Christodoulou.MOJ Orthopedics & Reumatology, Volume 7, Issue 4, 2017 (USA)http://medcraveonline.com/MOJOR/MOJOR-07-00282.pdf.
  29. Which is Correct: OrthopEdics or OrthopAEdics? It’s time to establish a universally acceptable term, Nikolaos Christodoulou, AAOS Now, March 2018 (USA) https://www5.aaos.org/aaosnow/issue/?issue=AAOSNow/2018/Mar&dept=Commentary
  30. Orthopaedics or Orthopedics? Does the difference go beyond spelling? Nikolaos Christodoulou, Rémi Kohler, Jean Soubrier & the OTSR Editorial Board, Orthopaedics & Traumatology: Surgery & Research (SOFCOT), Volume 105, Issue 8, Pages 1463-1465, December 2019.  https://doi.org/10.1016/j.otsr.2019.09.017
  31.  « Orthopaedics » ? Ou « Orthopedics » ? N’est-ce qu’une question d’orthographe ? Nikolaos Christodoulou, Rémi Kohler, Jean Soubrier, Revue de Chirurgie Orthopédique et Traumatologique, Volume 105, Issue 8, Pages 967-969, December 2019 (France)


  • Vice President, Civilization Sector of Karpenissi City Hall
  • President of Evritania Medical Society
  • f. Administration Member of Hellenic College of Orthopedic Surgeons


  • Hellenic Association of Orthopedic Surgery & Traumatology
  • Hellenic College of Orthopedic Surgeons
  • French Society of Orthopedic Surgery (SOFCOT)
  • European Soc. Sports Traumatology, Knee Surgery & Arthroscopy
  • European Foot & Ankle Society etc.

DISCLOSURES Consultant – Lima Corporate [“Surgeon to Surgeon” Training]

Honorable Editor – MOJ Orthop Rheumatol